Rihanna, wearing a white string bikini shares photos from her January 2012 holiday to Hawaii.

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Rihanna, wearing a tiny black and white bikini duirng her Hawaii vacation, looks at the camera on this photograph she posted on her Facebook page

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Rihanna, wearing a white string bikini shares photos from her January 2012 holiday to Hawaii.

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Rihanna, wearing a white string bikini shares photos from her January 2012 holiday to Hawaii.

bauergriffinonline.com

Rihanna, wearing a white string bikini shares photos from her January 2012 holiday to Hawaii.

bauergriffinonline.com

Rihanna, shows her backside during her January 2012 holiday to Hawaii on facebook.

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Rihanna, wearing a white string bikini shares photos from her January 2012 holiday to Hawaii.

bauergriffinonline.com

Rihanna, wearing a white string bikini shares photos from her January 2012 holiday to Hawaii.

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Rihanna, enjoy a pool with a cascade during her January 2012 holiday to Hawaii.

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Rihanna, takes her bikini top off during her January 2012 holiday to Hawaii.

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Rihanna smokes a hand rolled cigarette while vacationing in Hawaii.

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Rihanna shares some of her favourite holiday pictures from her trip to Hawaii on her twitter page.

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Rihanna strikes a pose while basking on the sun and enjoying a drink during her trip to Hawaii. The image was posted on her Twitter page.

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Rihanna and some friends clown around on a surf board during her trip to Hawaii. The image was posted on her Twitter page.

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Rihanna strikes a pose while basking on the sun and enjoying a drink during her trip to Hawaii. The image was posted on her Twitter page.

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Rihanna wearing a white bikini on a tredmill during her trip to Hawaii and posted on her twitter page.

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Rihanna goes for a lonely stroll before smoking another rolled cigarette in the ocean wearing a pink dress in Hawaii.

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Rihanna arrives at Los Angeles International Airport to catch a flight to Honolulu.

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Rihanna, fresh off a relaxing holiday back home in Barbados enjoy a short trip to Miami, Florida.

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Rihanna enjoy the Christmas Holiday on the beach in Barbados.

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Rihanna enjoys the sun on a flowery bikini on a picture posted on her Facebook page.

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Rihanna dressed on pink bikini while on vacation on this image she posted on Facebook.

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Rihanna performs on stage at the Palacio de los Deportes stadium in Madrid, Spain.

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Rihanna shoots her new music video for her new song ‘We Found Love’ featuring Calvin Harris in the New Lodge area in north Belfast, Northern Ireland. VIDEO: Rihanna Rated ‘R’

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Rihanna films scenes of her new music video for her song ‘We Found Love’ in a field near Bangor, County Down. Northen Ireland.

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Rihanna performs during the Rock in Rio music festival in Rio de Janeiro, Brazil.

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Looks like Rihanna is stringing all of us along in her risque bathing suit.

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The singer put on her sexiest outfit to date — and that’s saying a lot — as she pranced around today at a Barbados beach with a group of friends.

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The white bikini, which was held together by a series of strings, left little to the imagination as Rihanna showed off her bodacious bod for all to see.

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Rihanna spent the day hanging out with friends and even partially covered up when she wore a life jacket for a ride on a jet-ski. She also went out on the choppy waters on a dingy for some fun with her friends.

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Rihanna is pictured enjoying the Kadooment Day Parade in her native Barbados.

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Rihanna celebrates in the Kadooment Day Parade in Barbados in a revealing and daring bikini.

This undated photo provided by TMZ of pop star Rihanna was according to TMZ, “taken after Chris Brown allegedly beat her.” Chris Brown was charged Thursday, March 5, 2009 with two felonies stemming from what a police detective describes as a brutal argument between the singer and Rihanna.

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Rihanna arrives at the Grammy Awards L.A.

AP PHOTO

Singer Rihanna arrives at the annual Pre-Grammy Gala presented by The Recording Academy and Clive Davis in an outrageous outfit at The Beverly Hilton Hotel in Beverly, Hills, Calif.